428280452 has 6 divisors (see below), whose sum is σ = 749490798. Its totient is φ = 214140224.

The previous prime is 428280443. The next prime is 428280481. The reversal of 428280452 is 254082824.

It can be written as a sum of positive squares in only one way, i.e., 271129156 + 157151296 = 16466^2 + 12536^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53535053 + ... + 53535060.

It is an arithmetic number, because the mean of its divisors is an integer number (124915133).

Almost surely, 2^428280452 is an apocalyptic number.

It is an amenable number.

428280452 is a deficient number, since it is larger than the sum of its proper divisors (321210346).

428280452 is a wasteful number, since it uses less digits than its factorization.

428280452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107070117 (or 107070115 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 35.

The square root of 428280452 is about 20694.9378351325. The cubic root of 428280452 is about 753.7767727996.

The spelling of 428280452 in words is "four hundred twenty-eight million, two hundred eighty thousand, four hundred fifty-two".